PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/17-03:12:50
G01     248.9          34.4                7.2 +/-    0.95      11.5 +/-    0.95  0.040 / 0.040
G03     315.7          44.3                4.2 +/-    1.51       5.7 +/-    1.51  0.040 / 0.050
G11     234.8          10.9                6.2 +/-    1.70      17.0 +/-    1.70  0.060 / 0.120
G14     61.6           40.3                4.2 +/-    0.91       6.1 +/-    0.91  0.060 / 0.110
G18     218.3          25.6                6.5 +/-    1.82      12.5 +/-    1.82  0.060 / 0.120
G22     302.3          67.0                5.4 +/-    0.45       5.8 +/-    0.45  0.060 / 0.090
G23     287.8          19.8                5.7 +/-    1.41      12.7 +/-    1.41  0.130 / 0.270
G26     133.4          39.9                7.6 +/-    0.69      11.1 +/-    0.69  0.120 / 0.290
G31     40.9           55.9                3.8 +/-    0.94       4.5 +/-    0.94  0.090 / 0.340
G32     79.4           20.8                4.4 +/-    1.04       9.4 +/-    1.04  0.170 / 0.350